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Well, Tamale, since I thought I was going to NPC you, I didn't bother showing any rolling, etc. But, now you're here, and I can easily count the strength check as a previous round's action. However, per SRD, " Trying to spot something you failed to see previously is a move action ". Picking up an item (I'd rule grabbing the sunrod as an equivalent) is also a move action. Moving, obviously, is a move action, unless you take a 5ft step. You're not quite 5ft away from the rear of the stage, so you won't be able to really make as much use with your spot check. But, I will say you can still grab the light and then make a normal move over, and be able to view anything that comes within you plain view (which is a bit, because a sun rod gives off a bit of light). Is this what you want to do?